public static PerfMatrix <LblT> GetCoincidenceMatrix <LblT>(PerfMatrix <LblT> mtx, IEnumerable <LblT> excludeValues = null)
{
Preconditions.CheckNotNull(mtx);
LblT[] values = Enum.GetValues(typeof(LblT)).Cast <LblT>().Where(v => excludeValues == null || !excludeValues.Contains(v)).ToArray();
var result = new PerfMatrix <LblT>();
foreach (LblT first in values)
{
foreach (LblT second in values)
{
result.AddCount(first, second, mtx.Get(first, second) + mtx.Get(second, first));
}
}
return(result);
}
public static bool IsMatrixSymetrical <LblT>(PerfMatrix <LblT> mtx, IEnumerable <LblT> excludeValues = null)
{
Preconditions.CheckNotNull(mtx);
LblT[] values = Enum.GetValues(typeof(LblT)).Cast <LblT>().Where(v => excludeValues == null || !excludeValues.Contains(v)).ToArray();
foreach (LblT first in values)
{
foreach (LblT second in values)
{
if (EqualityComparer <LblT> .Default.Equals(first, second))
{
continue;
}
if (mtx.Get(first, second) != mtx.Get(second, first))
{
return(false);
}
}
}
return(true);
}
